Problem :
In the following figure, decide whether a polygon is inscribed in a circle, circumscribed about a circle, or
neither of these.

Neither

Problem :
In the following figure, decide whether a polygon is inscribed in a circle,
circumscribed about a circle, or neither of these.

Neither

Problem :
In the following figure, decide whether a polygon is inscribed in a circle,
circumscribed
about a circle, or neither of these.

The polygon is inscribed in the circle.

Problem :
In the following figure, decide whether a polygon is inscribed in a circle,
circumscribed
about a circle, or neither of these.

Neither

Problem :
In the following figure, decide whether a polygon is inscribed in a circle,
circumscribed
about a circle, or neither of these.

The polygon is circumscribed about the circle.

Problem :
What is the relationship between concentric circles with the same
radius?

They are the same circle. A center and a radius is all it takes to define a
circle, so if two
circles share a center and have the same radius, they are identical.